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SE450020B - BUILDING UNIT - Google Patents

BUILDING UNIT

Info

Publication number
SE450020B
SE450020B SE8201414A SE8201414A SE450020B SE 450020 B SE450020 B SE 450020B SE 8201414 A SE8201414 A SE 8201414A SE 8201414 A SE8201414 A SE 8201414A SE 450020 B SE450020 B SE 450020B
Authority
SE
Sweden
Prior art keywords
board
insulating
temperature
load
arrow
Prior art date
Application number
SE8201414A
Other languages
Swedish (sv)
Other versions
SE8201414L (en
Inventor
S Rinne
O Saarinen
L Mehto
P Tihvereinen
Original Assignee
Isora Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isora Oy filed Critical Isora Oy
Publication of SE8201414L publication Critical patent/SE8201414L/en
Publication of SE450020B publication Critical patent/SE450020B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/08—Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/06—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/10—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Description

._31 10 på 30”- |;_>| -450 020 t 2 är omkring 100OC. Detta innebär, att om värmepåverkan av ele- mentets yta bringar temperaturen inuti detsamma att stiga över nämnda 100°C, polystyrenkärnan mycket snabbt börjar bli gasfor- mig. Eftersom polystyrenkärnan är det skikt, som förbinder de båda ytterplåtarna med varandra, blir resultatet av kärnans förgasning att elementet nästan omedelbart förlorar den last- bärande förmågan och faller ihop. Ändamålet med uppfinningen är således att åstadkomma ett byggelement, som gör det möjligt att övervinna dessa nackdelar med den kända tekniken. Genom att utföra uppfinningen enligt den kännetecknande delen av de bifogade patentkraven är det möjligt att åstadkomma ett element, som kan hänföras till en klass för mycket brandsäkra byggmaterial. Det är således möj- ligt att använda elementet i sådana vägg-, tak- och mellanväggs- konstruktioner, i vilka vissa brandsäkerhetsegenskaper erford- ras. Sådan användning av de i ingressen till kravet 1 angivna, tidigare kända elementen är inte möjlig. ._31 10 on 30 ”- |; _> | -450 020 t 2 is around 100OC. This means that if the heat effect of electricity the surface of the element causes the temperature inside it to rise above said 100 ° C, the polystyrene core very quickly begins to gasify me. Because the polystyrene core is the layer that connects them both outer plates with each other, will be the result of the core gasification that the element loses the load almost immediately. bearing capacity and collapses. The object of the invention is thus to provide one building elements, which make it possible to overcome these disadvantages with the prior art. By carrying out the invention according to the characterizing part of the appended claims is possible to provide an element which can be attributed to a class for highly fireproof building materials. It is thus possible it is possible to use the element in such wall, ceiling and partition constructions in which certain fire safety properties race. Such use of those specified in the preamble of claim 1, previously known elements are not possible.

Elementet enligt uppfinningen har de kännetecken som fram- går av patentkraven.The element according to the invention has the characteristics which goes by the patent claims.

Det är ganska överraskande att materialet till den ytter- ligare skivan mellan järnplåten och isoleringsskivan kan väl- jas ur grupper ej brandsäkra material, sâsom träfiberskivor, sam är ett ganska billigt material. Även gipsskiva kan använ- das till det ytterligare skiktet. Det gemensamma draget hos de icke brandsäkra skivmaterial, som kan användas, är att de då de utsätts för värme, hindrar temperaturen i den isolerande kärnan att stiga till en temperatur, vid vilken kärnmaterialet är gas- formigt, under en viss tid, beroende på endotermiska, kemiska reaktioner i dessa material.It is quite surprising that the material for the the further plate between the iron plate and the insulating plate can be from non-fireproof materials, such as fibreboard, sam is a fairly inexpensive material. Gypsum board can also be used to the additional layer. The common feature of them non-fireproof sheet materials that can be used are that they then they exposed to heat, impedes the temperature of the insulating core to rise to a temperature at which the core material is gaseous shaped, over a period of time, depending on endothermic, chemical reactions in these materials.

Uppfinningen beskrives närmare nedan under hänvisning *ill bifogade ritning, som visar en tvärsektion av en utförings- form av elementet enligt uppfinningen. Elementets storlek och form kan naturligtvis variera alltefter det.ifrågavarande ända- målet. Elementets kanter är på känt sätt försedda med fogar och tätningar, så att elementen kan fogas ihop vid uppförande av ej visade väggar och/eller tak. 1:1 15 h.) , _ 30 'skivan av sandwich-elementet. à 450 020 På ritningen anger hänvisningssiffran 1 den isolerande Lämpligt material för det skiv- formiga isoleringsskiktet är polystyren, men även andra mate- rial med liknande egenskaper är lämpliga, exempelvis uretan.The invention is described in more detail below with reference * in the accompanying drawing, which shows a cross section of an embodiment form of the element according to the invention. Element size and form may, of course, vary accordingly. the goal. The edges of the element are provided with joints in a known manner and seals, so that the elements can be joined together during construction of walls and / or ceilings not shown. 1: 1 15 hrs.) , _ 30 'the slice of the sandwich element. at 450,020 In the drawing, the reference numeral 1 indicates the insulator Suitable material for the disc shaped insulation layer is polystyrene, but also other materials with similar properties are suitable, for example urethane.

Isolerskivans tjocklek kan variera mellan 50 och 500 mm be- roende på isoleringskraven. Hänvisningssiffrorna 2 och 3 på ritningen anger täckskikten av stålplåt på båda sidor av iso- lerskivan och dessa täckskikt har företrädesvis en ytbelägg- ning av plast; Stålplâtens tjocklek är omkring 0,5 mm. Hän- visningssiffran H i figuren anger det ytterligare skiktet, som har fastsatts mellan täckplåten 2 och isolerskivan 1 så tätt som möjligt. Den i figuren visade utföringsformen av elementet kan motstå värme, som tillförs utifrân i pilens 5 riktning.The thickness of the insulating sheet can vary between 50 and 500 mm. resting on the insulation requirement. Reference numerals 2 and 3 on the drawing shows the cover layers of sheet steel on both sides of the insulation the clay sheet and these cover layers preferably have a surface coating plastic; The thickness of the steel plate is about 0.5 mm. Hän- the display number H in the figure indicates the additional layer, which has been fixed between the cover plate 2 and the insulating sheet 1 so tightly as possible. The embodiment of the element shown in the figure can withstand heat, which is supplied from outside in the direction of the arrow 5.

Elementet enligt uppfinningen kan även vara utfört med ytterligare ett skikt H placerat mellan täckplåten 3 och iso- lerskivan 1, varigenom elementet kan motstå värme, som tillförs från ena eller andra sidan, eller båda sidorna. vid normal användning av elementet fungerar den ytterli- gare skivan eller skivorna 4 såsom konstruktiva delar, som förstärker elementet. Effekten av den ytterligare skivan H på elementets egenskaper blir uppenbar, då elementet utsätts för värme utifrån. Ifall materialet i den ytterligare skivan är träfiber (tjocklek ca. 10 - 30 mm) eller något annat liknande, ej brandsäkert material, fungerar elementet på följande sätt.The element according to the invention can also be made with another layer H placed between the cover plate 3 and the insulation clay disc 1, whereby the element can withstand heat, which is supplied from one side or the other, or both sides. during normal use of the element, the additional the disc or discs 4 as structural parts, which reinforces the element. The effect of the additional disc H on the properties of the element become apparent when the element is exposed heat from outside. If the material in the additional disc is wood fiber (thickness approx. 10 - 30 mm) or something similar, not fireproof material, the element works in the following way.

När yttre värmepåverkan sker av exempelvis brand (pilen 5), stiger täckplåtens 2 temperatur mycket snabbt, så att plastbe- läggningen bränns bort och själva täckplåten 2 buktar sig under temperaturhöjningen. Plåtens 2 lastbärande förmåga minskar så- ledes väsentligt. Samtidigt stiger temperaturen hos den ytter- ligare skivan 4 kraftigt, men tack vare att plåten 2 är fast- satt tätt intill utsidan av skivan H och att fogarna mellan de olika elementen också har gjorts så täta som möjligt, förekom- mer ingen eld, utan trämaterialet i skivan börjar förkolna.When external heat is affected by, for example, fire (arrow 5), the temperature of the cover plate 2 rises very rapidly, so that the plastic the installation is burned off and the cover plate 2 itself bends under the temperature rise. The load-bearing capacity of the plate 2 thus reduces led significantly. At the same time, the temperature of the the disc 4 strongly, but thanks to the fact that the plate 2 is fixed sat close to the outside of the disc H and that the joints between them various elements have also been made as dense as possible, no more fire, but the wood material in the board begins to char.

Förkolningen sker ganska långsamt med ringa mängd syre och det_ förkolnade skiktet utgör en effektiv isolering; Den ytterligare skivan 4 kan följaktligen bibehålla sin lastbärande förmåga under en viss tid, då elementet är utsatt för yttre värmepåverkan. Dessutom upptar förkolningen latent värme i sådan grad, att yttemperaturen på den sida av isoler- på gu 45-0 -020 i L; skivan 1, som är vänd mot den ytterligare skivan H, inte när den temperatur, vid vilken exempelvis polystyren (ca. IOOOC) _blir gasformig. Detta innebär att isolerplattan 1 bibehåller sin täta kontakt med den ytterligare skivan H och täckplåten 2. Ifall isolerplattan 1, som håller samman de båda täckplå- tarna 2, 3, blir gasformig, faller elementet ihop nästan ome- delbart. Det väsentliga kännetecknet hos elementet enligt upp- finningen är att den ytterligare skivan 4 bibehåller sin last- bärande förmåga även om den är delvis förkolnad och att det förkolnade skiktet fungerar såsom ett isolerskikt, som således hindrar att isolerskivan skadas, varigenom ingen gasformig fas av isolermaterialet förekommer under viss tid.The charring takes place quite slowly with a small amount of oxygen and it_ the charred layer forms an effective insulation; The additional disc 4 can consequently retain its load-bearing capacity for a certain period of time, when the element is exposed for external heat exposure. In addition, charring occupies latent heat to such an extent that the surface temperature on the side of on gu 45-0 -020 in L; the disc 1, which faces the additional disc H, not when the temperature at which, for example, polystyrene (approx. 100 ° C) _Gets gaseous. This means that the insulating plate 1 retains its close contact with the additional disc H and the cover plate 2. If the insulating plate 1, which holds the two cover plates together, 2, 3, becomes gaseous, the element collapses almost immediately. divisible. The essential characteristic of the element according to the finding is that the additional disc 4 retains its load. bearing capacity even if it is partially charred and that it the charred layer acts as an insulating layer, thus prevents the insulation board from being damaged, leaving no gaseous phase of the insulating material occurs for a certain period of time.

Det är naturligtvis möjligt att ändra träfiberskivans e.d. tjocklek och därigenom åstadkomma olika uthållighetsvärden i enlighet med brandsäkerhetsklassningen. , Vid användning av en gipsskiva såsom ytterligare skiva H fungerar elementet i huvudsak på-liknande sätt som i fallet med träfiberskivan eller liknande. Idén att använda en gips- skíva är att gips innehåller kristallvatten, som förängas då elementet utsätts för värme. Under förångningen av kristall- vattnet bibehåller den ytterligare skivan av gips sin lastbäran- de förmåga under en viss tid. Dessutom kräver förångningen la- tent värme i sådan grad, att yttemperaturen på den sida av iso- lerskivan, som är vänd mot den ytterligare skivan, inte uppnår temperaturen för isolermaterialets gasfas. _t'»It is of course possible to change the wood fiber board oath. thickness and thereby achieve different endurance values in accordance with the fire safety classification. , When using a gypsum board such as additional board H the element works essentially in a similar manner as in the case with the wood fiber board or the like. The idea of using a plaster disc is that gypsum contains crystal water, which then evaporates the element is exposed to heat. During the evaporation of the crystalline the water, the additional gypsum board retains its load-bearing capacity. the ability for a certain period of time. In addition, evaporation requires heat to such an extent that the surface temperature on the side of the the clay disc facing the additional disc does not reach the temperature of the gas phase of the insulating material. _t '»

Claims (3)

5 i 450 D20 "7Patentkrav5 i 450 D20 "7Patentkrav 1. Byggelement, särskilt s.k. sandwich-element, innefat- tande en isolerskiva (1) av cellformíg polystyren eller liknan- de material, en täckskiva (2,3), särskilt en stålplåt, fäst vid åtminstone isolerskivans (1) ena sidoyta, varvid täckskivan (2,3) fungerar såsom elementetslastbärande del, och en ytter- ligare skiva (4) som är anordnad tätt emellan åtminstone täck- .skivan (2,3) och isolerskivan (1), k'ä n n e t e c k n a t av att nämnda ytterligare skiva utgöres av en träfiberskiva eller av material med liknande egenskaper och/eller av en gipsskiva och är anordnad att samverka med övriga delar (1,2,3) av ele- mentet för att ge detta brandsäkra egenskaper, då det utsättes för yttre värmepåverkan (pilen 5) genom att förhindra bildandet .av gasfas i isolerskivan under viss tid.Building elements, especially so-called sandwich elements, comprising an insulating sheet (1) of cellular polystyrene or similar material, a cover sheet (2,3), in particular a steel plate, attached to at least one side surface of the insulating sheet (1), the cover sheet (2,3) acts as an element load-bearing part, and a further board (4) which is arranged tightly between at least the cover board (2,3) and the insulating board (1), characterized in that said further board is constituted by a fibreboard or by material with similar properties and / or of a gypsum board and is arranged to cooperate with other parts (1,2,3) of the element to give it fireproof properties, when it is exposed to external heat (arrow 5) by preventing the formation .of the gas phase in the insulation board for a certain time. 2. Byggelement enligt patentkravet 1, k ä n n e t e c k- n a t av att nämnda ytterligare skiva (H) i delvis förkolnat tillstånd bibehåller sin lastbärande förmåga och under förkol- ningen fungerar såsom ett mot värme (pilen 5) isolerande skikt, varigenom temperaturen i isolerskivan (1) förblir lägre än tem- peraturen hos isoleringsmaterialets gasfas.Building element according to claim 1, characterized in that said further board (H) in a partially charred state retains its load-bearing capacity and during the charring functions as a layer insulating against heat (arrow 5), whereby the temperature in the insulating board (1) remains lower than the temperature of the gas phase of the insulation material. 3. Byggelement enligt patentkravet 1, varvid nämnda yt- terligare skiva (4) är en gipsskiva, k ä n n e t e c k n a t av att den bibehåller sin lastbärande förmåga under förång- ningen av kristallvattnet i densamma, varvid förångningen upptar latent värme från den yttre värmetillförseln (pilen 5), så att isolerskivans (1) temperatur förblir lägre än temperaturen hos isoleringsmaterialets gasfas.Building element according to claim 1, wherein said additional board (4) is a gypsum board, characterized in that it maintains its load-bearing capacity during the evaporation of the crystal water therein, the evaporation absorbing latent heat from the external heat supply (the arrow). 5), so that the temperature of the insulating board (1) remains lower than the temperature of the gas phase of the insulating material.
SE8201414A 1981-03-19 1982-03-08 BUILDING UNIT SE450020B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI810857A FI63100C (en) 1981-03-19 1981-03-19 bUILDING UNIT

Publications (2)

Publication Number Publication Date
SE8201414L SE8201414L (en) 1982-09-20
SE450020B true SE450020B (en) 1987-06-01

Family

ID=8514244

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8201414A SE450020B (en) 1981-03-19 1982-03-08 BUILDING UNIT

Country Status (23)

Country Link
US (1) US4646494A (en)
JP (1) JPS57169150A (en)
AT (1) AT393858B (en)
AU (1) AU554040B2 (en)
BG (1) BG45704A3 (en)
BR (1) BR8201479A (en)
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AU554040B2 (en) 1986-08-07
FI63100C (en) 1988-12-05
DD207412A1 (en) 1984-02-29
CA1166816A (en) 1984-05-08
US4646494A (en) 1987-03-03
SE8201414L (en) 1982-09-20
IT8235668V0 (en) 1982-03-17
EG15701A (en) 1988-03-30
AT393858B (en) 1991-12-27
IN156695B (en) 1985-10-19
IT1201066B (en) 1989-01-27
CH655754A5 (en) 1986-05-15
DK121582A (en) 1982-09-20
ES510561A0 (en) 1983-02-01
DK155372B (en) 1989-04-03
YU44557B (en) 1990-10-31
GB2095172B (en) 1984-10-24
NO820782L (en) 1982-09-20
IT8248016A0 (en) 1982-03-17
NO163912C (en) 1990-08-15
FR2502215A1 (en) 1982-09-24
ES8303592A1 (en) 1983-02-01
DK155372C (en) 1989-09-11
YU58882A (en) 1984-10-31
JPS57169150A (en) 1982-10-18
DE3208839A1 (en) 1982-09-30
DE3208839C2 (en) 1990-10-11
BR8201479A (en) 1983-02-01
GB2095172A (en) 1982-09-29
FR2502215B1 (en) 1987-07-10
FI810857L (en) 1982-09-20
ATA98182A (en) 1991-06-15
NO163912B (en) 1990-04-30
GR71873B (en) 1983-07-22
FI63100B (en) 1982-12-31
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SU1261570A3 (en) 1986-09-30
AU8126482A (en) 1982-09-23

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